JH-8802A Body Infrared Thermometer is specially designed to take the body temperature of a person regardless of room temperature. Features: Precise non-contact measurements User selectable º C or º F Selectable Body and Surface temp Set Alarm value Memorization of the last 32 measurements Trigger lock Automatic Data Hold & Auto power off Automatic selection range and Display Resolution 0.1º C( 0.1º F) Backlight LCD display Specifications: Body Temp range 30.0 to 43º C/ 86º F to 109º F Surface Temp range 0 to 60º C( 32º F to 140º F) Basic Accuracy In mode of BODY + 0.4º C/ + 0.7º FIn mode of Surface + 0.8º C/ + 1.5º F Measuring distance 5~ 15CM Response Time 0.5 second Over range indication LCD will show " HI" / " Lo" Polarity Automatic ( no indication for positive polarity) ; Minus ( -) sign for negative polarity Emissivity 0.95 fixed value Spectral response 6~ 14um Power off Automatic shut off after 7 seconds, approx. Operating Temp. 0º C to 50º C ( 32º F to 122º F) Storage Temp. -20º C to 60º C( -4º F to 140º F) Relative humidity 10% ~ 90% RH operating,